Included in ACPICA version 20171110
> -----Original Message-----
> From: Jeremy Linton [mailto:[email protected]]
> Sent: Thursday, November 9, 2017 1:03 PM
> To: [email protected]
> Cc: [email protected]; [email protected];
> [email protected]; [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected]; linux-
> [email protected]; [email protected]; [email protected];
> [email protected]; [email protected];
> [email protected]; [email protected]; [email protected];
> Moore, Robert <[email protected]>; Zheng, Lv <[email protected]>;
> [email protected]; Jeremy Linton <[email protected]>
> Subject: [PATCH v4 1/9] ACPICA: Add additional PPTT flags for cache
> properties
>
> The PPTT table has a number of flags that can be set to describe whether
> the cache is I/D/U and the allocation and write policies. Add these
> flags.
>
> Signed-off-by: Jeremy Linton <[email protected]>
> ---
> include/acpi/actbl1.h | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index
> 6b8714a428b6..71f874e2790d 100644
> --- a/include/acpi/actbl1.h
> +++ b/include/acpi/actbl1.h
> @@ -1346,6 +1346,20 @@ struct acpi_pptt_cache {
> #define ACPI_PPTT_MASK_CACHE_TYPE (0x0C) /* Cache type */
> #define ACPI_PPTT_MASK_WRITE_POLICY (0x10) /* Write policy */
>
> +/* Attributes describing cache */
> +#define ACPI_PPTT_CACHE_READ_ALLOCATE (0x0) /* Cache line is
> allocated on read */
> +#define ACPI_PPTT_CACHE_WRITE_ALLOCATE (0x01) /* Cache line is
> allocated on write */
> +#define ACPI_PPTT_CACHE_RW_ALLOCATE (0x02) /* Cache line is
> allocated on read and write */
> +#define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT (0x03) /* Alternate
> representation of above */
> +
> +#define ACPI_PPTT_CACHE_TYPE_DATA (0x0) /* Data cache */
> +#define ACPI_PPTT_CACHE_TYPE_INSTR (1<<2) /* Instruction cache */
> +#define ACPI_PPTT_CACHE_TYPE_UNIFIED (2<<2) /* Unified I & D cache
> */
> +#define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT (3<<2) /* Alternate
> representation of above */
> +
> +#define ACPI_PPTT_CACHE_POLICY_WB (0x0) /* Cache is write back
> */
> +#define ACPI_PPTT_CACHE_POLICY_WT (1<<4) /* Cache is write
> through */
> +
> /* 2: ID Structure */
>
> struct acpi_pptt_id {
> --
> 2.13.5
From 1583623953048082072@xxx Thu Nov 09 21:04:50 +0000 2017
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